The average number of wind turbines at the vast Kindler Range Wind Farm that malfunction and need repair is 2.3 per day.Assume that all the Poisson conditions are met.Letting x represent values of the random variable "number of turbines that malfunction during any one day," what is the variance of x?
A)2.3
B)3.5
C)2.9
D)3.3
E)4.7

Question

Quizplus · Accepted Answer

For a Poisson distribution, the variance is equal to the mean. Given the average number of wind turbines that malfunction per day is 2.3, both the mean and variance are 2.3.

The Average Number of Wind Turbines at the Vast Kindler